
<select name='<?php echo isset($singular) ? 'na_manure' : 'na_manure[]' ?>'>
<?php if(isset($manure)) : ?>
	<option<?php echo $manure == 'Yes' ? " selected='selected'" : '' ?>>Yes</option>
	<option<?php echo $manure == 'No' ? " selected='selected'" : '' ?>>No</option>
<?php else: ?>
	<option>Yes</option>
	<option>No</option>
<?php endif; ?>
</select>